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Finding the Fourth Proportional to 160,296.76, 240,457.64 and 53,681.08

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Solution

The fourth proportional to 160,296.76, 240,457.64 and 53,681.08 is: 80,525.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,296.76 : 240,457.64 = 53,681.08 : x
  2. Step 2: Convert to fraction form
    160,296.76/240,457.64 = 53,681.08/x
  3. Step 3: Cross multiply
    160,296.76x = 240,457.64 × 53,681.08
  4. Step 4: Simplify right side
    160,296.76x = 12,908,025,809.45
  5. Step 5: Solve for x
    x = 12,908,025,809.45/160,296.76
  6. Step 6: Final answer
    x = 80,525.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.